74 Questions
Which type of runway requires a longer approach light system (ALS) distance?
Precision instrument runway
How many light units can a VASI installation consist of?
2, 4, 6, 12, or 16
What is the usual setting for the lower glide path of a three-bar VASI installation?
3 degrees
Which of the following statements about RWSL is true?
RWSL verifies an ATC clearance
Who controls the operation of approach light systems and runway lighting?
ATC
What is the purpose of runway entrance lights?
To indicate it is safe to enter the runway
Which lighting system has a predetermined intensity step based on expected visibility conditions?
MIRL
Which type of lighting system is used to outline the edges of runways during periods of darkness or restricted visibility conditions?
Runway Edge Light Systems
What color are the lights marking the ends of the runway?
Red
What is the useful range of pulsating visual approach slope indicators during the day?
Approximately four miles
What type of lighting system is installed on some precision approach runways to facilitate landing under adverse visibility conditions?
Touchdown Zone Lights
Which lights indicate that the runway is unsafe to enter or cross?
THLs
What should a pilot do if they observe the red lights of the THLs?
Stop at the hold line or remain stopped
When do the THLs illuminate for a departing aircraft?
When there is another aircraft or vehicle on the runway or about to enter the runway
What should a pilot do if they note illuminated lights while in takeoff roll and stopping is impractical for safety reasons?
Proceed according to their best judgment
Which lights are used to indicate the hold short point on certain runways approved for Land and Hold Short Operations (LAHSO)?
Land and Hold Short Lights
What do the red lights of the Runway Entrance Lights (REL) system indicate?
Both A and B
When does the REL system illuminate the taxiway intersections with REL arrays along the runway ahead of a departing aircraft?
When the aircraft reaches a site adaptable speed of approximately 30 knots
When do the REL lights associated with a runway extinguish for a departing aircraft?
When the aircraft is declared 'airborne'
Which one of the following is true about the Visual Approach Slope Indicator (VASI)?
The VASI provides visual descent guidance information during the approach to a runway.
Which one of the following is true about the Precision Approach Path Indicator (PAPI)?
The PAPI is installed in a single row of either two or four light units.
Which one of the following is true about the tri-color visual approach slope indicator?
The tri-color VASI consists of a single light unit projecting a three-color visual approach path.
Which one of the following is true about the Precision Approach Path Indicator (PAPI)?
PAPI installations consist of 2, 4, 6, or 12 light units.
Which type of runway requires a longer approach light system (ALS) distance?
Precision instrument runways
What is the usual setting for the lower glide path of a three-bar VASI installation?
3 degrees
What is the usual range of visibility for the lights of the Precision Approach Path Indicator (PAPI) during the day?
3-5 miles
What is the usual range of visibility for the lights of the Visual Approach Slope Indicator (VASI) during the night?
20 miles or more
What is the maximum angle at which the glide path angles of the VASI may be set to provide proper obstacle clearance?
4.5 degrees
What is the range of safe obstruction clearance provided by the VASI within plus or minus how many degrees of the extended runway centerline?
10 degrees
Which type of lighting system is used to provide rapid and positive identification of the approach end of a particular runway?
Runway end identifier lights
What color are the lights marking the ends of the runway?
Red
What is the useful range of alignment of elements systems?
Approximately three-quarter miles
What is the usual setting for the lower glide path of a pulsating visual approach slope indicator?
Steady red light
According to the text, how many times should the pilot initially key the mike to turn on all controlled lights to the maximum intensity?
7 times
What is the function of keying the mike 5 or 3 times for the 1-step and 2-step REILs, respectively?
To turn off the lights
Why is it important for the pilot to key the mike as directed when overflying an airport of intended landing or just prior to entering the final segment of an approach?
To activate the system
Which lighting system may be controlled by the Flight Service Station (FSS) when there is no control tower in operation?
Runway Edge Lights
Which lighting system can be turned on or off upon request by pilots?
Taxiway Lead-On Lights
Which lighting system operates on the same radio frequency for all runways at an airport?
Approach Lights
Which lighting system has a control system that consists of a 3-step control responsive to 7, 5, and/or 3 microphone clicks?
Runway Entrance Lights
Which lights indicate that the runway is unsafe to enter or cross?
THLs
Under what circumstances should pilots note illuminated lights while in takeoff roll and stopping is impractical for safety reasons?
When the crew has received clearance from ATC
When does the THL system illuminate for an aircraft in position for departure or departing?
When there is another aircraft or vehicle on the runway
What should a pilot do if they observe the red lights of the THLs?
Stop at the hold line or remain stopped
Which lights indicate that there is high speed traffic on the runway or an aircraft on final approach within the activation area?
Runway Entrance Lights (REL)
When do the REL lights associated with a runway extinguish for a departing aircraft?
When the aircraft is declared 'airborne' by the system
What is the purpose of runway entrance lights?
To provide visual guidance to persons entering the runway
What do the red lights of the Runway Entrance Lights (REL) system indicate?
That there is high speed traffic on the runway or an aircraft on final approach within the activation area
Which type of lighting system provides the basic means to transition from instrument flight to visual flight for landing?
Approach Light Systems (ALS)
What is the range of the approach area covered by the approach light system (ALS) for precision instrument runways?
2400-3000 feet
What is the usual setting for the lower glide path of a three-bar Visual Approach Slope Indicator (VASI) installation?
3 degrees
What is the usual setting for the lower glide path of a VASI installation?
3 degrees
What is the usual setting for the lower glide path of a PAPI installation?
3 degrees
What is the useful range of the visual glide path of the VASI during the day?
3-5 miles
What is the useful range of the visual glide path of the PAPI at night?
20 miles or more
Which type of lighting system is used to outline the edges of runways during periods of darkness or restricted visibility conditions?
Runway Edge Light Systems
What is the usual range of visibility for the lights of the Precision Approach Path Indicator (PAPI) during the day?
4 miles
What color are the lights marking the ends of the runway?
Red
What is the usual setting for the lower glide path of a pulsating visual approach slope indicator?
Steady red light
According to the text, how many times should the mike be keyed to initially turn on all controlled lights to the maximum available intensity?
7 times
When should the mike be keyed as directed when overflying an airport of intended landing or just prior to entering the final segment of an approach?
When lights are on
Which lighting system may be turned off when desired by keying the mike 5 times?
2-step REILs
Which lighting system can be controlled by the Flight Service Station (FSS) when there is no control tower in operation?
Runway Entrance Lights (REL)
What do the red lights of the Takeoff Hold Lights (THL) indicate?
Unsafe to cross
Which one of the following is true about the Medium Intensity Runway Lights (MIRL)?
They have a variable number of intensity steps
What is the purpose of the Taxiway Lead-On Lights (TLL)?
To provide a lead-in to the runway
Which lights indicate that it is unsafe for an aircraft to takeoff from a runway?
Takeoff hold lights
What should a pilot do if they observe the red lights of the THLs?
Stop at the hold line
When should pilots operate with the transponder/ADS-B 'On' at airports with RWSL?
When departing the gate or parking area until shut down upon arrival
What should pilots do if they have stopped due to an RWSL indication that is in conflict with ATC instructions?
Request clarification from ATC
Which lights are used to indicate the hold short point on certain runways approved for Land and Hold Short Operations (LAHSO)?
Land and Hold Short Lights
What is the purpose of Runway Status Light (RWSL) system?
To indicate when it is unsafe to enter, cross, takeoff from, or land on a runway
What do the red lights of the Runway Entrance Lights (REL) system indicate?
There is an aircraft on final approach within the activation area
When do the REL lights associated with a runway extinguish for a departing aircraft?
When the aircraft is declared 'airborne' by the system
Test your knowledge on runway safety with this quiz! Learn about the RWSL system and its role in ensuring safe takeoffs, landings, and runway crossings. Understand how ATC clearances interact with RWSL and the control that controllers have over the system. Sharpen your understanding of runway safety procedures with this informative quiz.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
